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公开(公告)号：KR100801598B1
公开(公告)日：2008-02-05
申请号：KR1020070026286
申请日：2007-03-16
Applicant: 제일모직주식회사
CPC classification number: H01M10/0565 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0568 , H01M10/0569
Abstract: A gel type polymer electrolyte for a lithium secondary battery, and a lithium secondary battery containing the polymer electrolyte are provided to improve the mobility of ions and the binding force between an electrode and a separator and to enhance the charge/discharge characteristics, lifetime characteristics and durability of a battery. A gel type polymer electrolyte comprises a polymer matrix; and an electrolyte solution which comprises a solvent and a lithium salt and is infiltrated in the polymer matrix, wherein the polymer matrix has a hybrid polymer network structure formed by the copolymerization of a first monomer(10) having 3-8 functional groups at terminal and a linear hydrophobic second monomer(11-14) having two functional groups at terminal. Preferably the ratio of the first monomer and the second monomer is 95:5 to 50:50 by weight.
Abstract translation: 提供一种用于锂二次电池的凝胶型聚合物电解质和含有聚合物电解质的锂二次电池，以提高离子的迁移率和电极与隔膜之间的结合力，并提高充电/放电特性，寿命特性和 电池的耐久性。 凝胶型聚合物电解质包含聚合物基质; 以及电解质溶液，其包含溶剂和锂盐并渗透到所述聚合物基质中，其中所述聚合物基质具有通过在末端与具有3-8个官能团的第一单体（10）共聚而形成的混合聚合物网络结构，以及 在末端具有两个官能团的线性疏水性第二单体（11-14）。 优选地，第一单体和第二单体的比例为95:5至50:50（重量比）。
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公开(公告)号：KR100771180B1
公开(公告)日：2007-10-29
申请号：KR1020060025070
申请日：2006-03-17
Applicant: 제일모직주식회사
IPC: H01M10/05
Abstract: 고전압 적용시 전지의 성능은 그대로 유지하면서 충방전시의 방전용량, 저온특성, 상온 및 고온에서의 수명을 향상시키고, 부반응에 의한 가스의 발생을 억제하여 전지의 안정성을 향상시킬 수 있는 리튬 2차전지용 비수성 전해액이 제공된다. 본 발명의 리튬 2차전지용 비수성 전해액은 유기용매, 리튬염, 하기 화학식 1로 표시되는 리튬 트리플루오로메탄술폰이미드를 포함하고, 플루오로 에틸렌 카보네이트(FEC) 및/또는 비닐렌 카보네이트(VC)를 추가로 포함한다.
리튬 2차전지, 전해액, 에틸렌 카보네이트(FEC), 비닐렌 카보네이트(VC), 리튬 트리플루오로메탄술폰이미드-
公开(公告)号：KR1020070094415A
公开(公告)日：2007-09-20
申请号：KR1020060025070
申请日：2006-03-17
Applicant: 제일모직주식회사
IPC: H01M10/05
CPC classification number: H01M10/0567 , H01M10/0525 , H01M10/0568 , H01M2220/30 , Y02E60/122
Abstract: A nonaqueous electrolyte solution for a lithium secondary battery, and a lithium secondary battery using the nonaqueous electrolyte solution are provided to improve discharge capacity during charge/discharge, low temperature characteristics and lifetime at low temperature and high temperature and to inhibit the generation of gas due to side reaction, thereby enhancing stability and safety. A nonaqueous electrolyte solution comprises 100 parts by weight of an organic solvent; a lithium salt; 0.01-5 parts by weight of the lithium trifluoromethanesulfonimide represented by the formula 1; and fluoroethylene carbonate and/or vinylene carbonate. The content of fluoroethylene carbonate and vinylene carbonate is 0.01-5 parts by weight, respectively based on 100 parts by weight of a mixture solution comprising the organic solvent and the lithium salt. Preferably the organic solvent comprises at least one cyclic carbonate organic solvent selected from ethylene carbonate, propylene carbonate and butylene carbonate, and at least one linear carbonate organic solvent selected from dimethyl carbonate, diethyl carbonate, dipropyl carbonate, ethylmethyl carbonate, methylpropyl carbonate and ethylpropyl carbonate, in a ratio of 1:4 to 2:2.
Abstract translation: 提供锂二次电池用非水电解液和使用非水电解液的锂二次电池，以提高充放电时的放电容量，低温特性和低温高温下的寿命，抑制气体的产生 从而提高了稳定性和安全性。 非水电解质溶液包含100重量份的有机溶剂; 锂盐; 0.01-5重量份由式1表示的三氟甲磺酰亚胺锂; 和氟代碳酸亚乙酯和/或碳酸亚乙烯酯。 分别以100重量份的包含有机溶剂和锂盐的混合溶液为基准，氟代碳酸亚乙酯和碳酸亚乙烯酯的含量为0.01-5重量份。 优选地，有机溶剂包含至少一种选自碳酸亚乙酯，碳酸亚丙酯和碳酸亚丁酯的环状碳酸酯有机溶剂，和至少一种选自碳酸二甲酯，碳酸二乙酯，碳酸二丙酯，碳酸甲乙酯，碳酸甲丙酯和碳酸乙基丙酯的直链碳酸酯有机溶剂 ，比例为1:4至2:2。
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公开(公告)号：KR1020070083278A
公开(公告)日：2007-08-24
申请号：KR1020060012363
申请日：2006-02-09
Applicant: 제일모직주식회사
IPC: H01M10/0567 , H01M10/0569 , H01M10/0568 , H01M4/485 , H01M4/587 , H01M2/16 , H01M10/052
CPC classification number: H01M10/0567 , H01M2/1653 , H01M2/1686 , H01M4/485 , H01M4/587 , H01M10/052 , H01M10/0568 , H01M10/0569
Abstract: A nonaqueous electrolyte is provided to ensure sufficient stability upon overcharge of a lithium secondary battery, and to improve the stability, performances, and lifespan of a lithium secondary battery. A nonaqueous electrolyte comprises an organic solvent, a lithium salt, 4-chlorotoluene, and 4-fluorodiphenyl ether. The 4-chlorotoluene 0.1-20 parts by weight and 4-fluorodiphenyl ether 0.1-10 parts by weight are contained based on 100 parts by weight of the organic solvent and lithium salt. The lithium secondary battery includes: the nonaqueous electrolyte; an electrode part consisting of a positive electrode and a negative electrode between which the nonaqueous electrolyte is interposed and which are opposite to each other; and a separator which electrically separates the positive electrode from the negative electrode.
Abstract translation: 提供非水电解质以确保锂二次电池的过充电时的足够的稳定性，并且提高锂二次电池的稳定性，性能和使用寿命。 非水电解质包括有机溶剂，锂盐，4-氯甲苯和4-氟二苯醚。 基于100重量份的有机溶剂和锂盐，含有0.1-20重量份的4-氯甲苯和4-氟二苯醚0.1-10重量份。 锂二次电池包括：非水电解质; 由正极和负极构成的电极部，非水电解质之间插入并且彼此相对; 以及将正极与负极电隔离的隔膜。
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公开(公告)号：KR100706654B1
公开(公告)日：2007-04-12
申请号：KR1020060015621
申请日：2006-02-17
Applicant: 제일모직주식회사
IPC: H01M10/0567 , H01M10/0569 , H01M10/0568 , H01M4/485 , H01M4/587 , H01M2/16 , H01M10/052
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Patent Agency Ranking
公开(公告)号：KR1020080067050A
公开(公告)日：2008-07-18
申请号：KR1020070004125
申请日：2007-01-15
Applicant: 제일모직주식회사
CPC classification number: H01M10/0569 , H01M4/1315 , H01M4/136 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M2300/0028 , Y02E60/122
Abstract: A non-aqueous electrolyte for a lithium secondary battery is provided to impart improved lifespan characteristic and storage characteristics to a lithium secondary battery. A non-aqueous electrolyte for a lithium secondary battery comprises: an electrolyte comprising a non-aqueous organic solvent containing at least one solvent selected from the group consisting of carbonate, ester, ether and ketone solvents, and a lithium salt dissolved in the non-aqueous organic solvent; and additives including a vinyl ethylene carbonate compound represented by the following formula 1 and a halogenated ethylene carbonate represented by the following formula 2. In the formulae, each of R1, R2, R3 and R4 represents H or a C2-C6 hydrocarbon having a double bond, with the proviso that at least one of them represents a C2-C6 hydrocarbon having a double bond; X is a halogen atom; Y is H or a halogen atom; and each of n and m is 1 or 2.
Abstract translation: 提供了一种用于锂二次电池的非水电解质，以向锂二次电池提供改善的寿命特性和存储特性。 一种用于锂二次电池的非水电解质包括：包含含有选自碳酸酯，酯，醚和酮溶剂中的至少一种溶剂的非水有机溶剂的电解质和溶解在非水电解质中的锂盐， 水性有机溶剂; 和由下式1表示的乙烯基碳酸亚乙酯化合物和由下式2表示的卤代碳酸亚乙酯的添加剂。在式中，R 1，R 2，R 3和R 4各自表示H或具有双重性的C 2 -C 6烃 键，条件是其中至少一个表示具有双键的C 2 -C 6烃; X是卤原子; Y是H或卤素原子; n和m各自为1或2。
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公开(公告)号：KR1020080061692A
公开(公告)日：2008-07-03
申请号：KR1020060136678
申请日：2006-12-28
Applicant: 제일모직주식회사
CPC classification number: H01M10/0567 , H01M4/131 , H01M4/136 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M2300/0025 , H01M2300/0028 , Y02E60/122
Abstract: A nonaqueous electrolyte is provided to improve life characteristic, high-rate characteristic, and charge and discharge characteristic of a lithium secondary battery. A nonaqueous electrolyte for a lithium secondary battery includes: a base electrolyte comprising a nonaqueous organic solvent and a lithium salt dissolved in the nonaqueous organic solvent; and trimethylsilyl phosphite represented by the following formula 1 to be added to the base electrolyte. A lithium secondary battery includes: the electrolyte; an electrode part comprising a positive electrode and a negative electrode between which the electrolyte is interposed and which are placed to face each other; and a separator which electrically separates the positive electrode from the negative electrode.
Abstract translation: 提供一种非水电解质来改善锂二次电池的寿命特性，高速率特性和充放电特性。 锂二次电池用非水电解液包括：非水有机溶剂和溶解于非水有机溶剂中的锂盐的碱性电解质， 和由下式1表示的三甲基甲硅烷基亚磷酸酯加入到基础电解质中。 锂二次电池包括：电解质; 电极部分，包括正电极和负电极，电极插在电极之间并相互面对放置; 以及将正极与负极电隔离的隔膜。
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公开(公告)号：KR100767427B1
公开(公告)日：2007-10-17
申请号：KR1020060132144
申请日：2006-12-21
Applicant: 제일모직주식회사
IPC: H01M10/05
CPC classification number: H01M10/0525 , H01M4/131 , H01M4/1315 , H01M4/133 , H01M4/134 , H01M10/0567 , H01M10/0569
Abstract: A nonaqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery containing the nonaqueous electrolyte solution are provided to improve lifetime without the deterioration of high temperature maintenance characteristics. A nonaqueous electrolyte solution comprises 100 parts by weight of a nonaqueous organic solvent which comprises at least one solvent selected from the group consisting of a carbonate-based solvent, an ester-based solvent, an ether-based solvent and a ketone-based solvent; a lithium salt which is dissolved in the nonaqueous organic solvent; and 0.02-10 parts by weight of the hexafluoroacetyl acetone represented by the formula 1.
Abstract translation: 提供一种用于锂二次电池的非水电解质溶液和含有非水电解质溶液的锂二次电池，以改善寿命而不会降低高温维持特性。 非水电解质溶液包含100重量份的非水有机溶剂，其包含至少一种选自碳酸酯类溶剂，酯系溶剂，醚系溶剂和酮系溶剂的溶剂; 溶解在非水有机溶剂中的锂盐; 和0.02-10重量份由式1表示的六氟乙酰基丙酮。
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公开(公告)号：KR100845047B1
公开(公告)日：2008-07-08
申请号：KR1020060136843
申请日：2006-12-28
Applicant: 제일모직주식회사
CPC classification number: H01M10/0569 , H01M10/0525 , H01M2300/0028 , Y02E60/122
Abstract: A non-aqueous electrolyte for a lithium secondary battery is provided to impart improved lifespan characteristics and high-temperature storage characteristics to a lithium secondary battery. A non-aqueous electrolyte for a lithium secondary battery comprises: a non-aqueous organic solvent including at least one solvent selected from the group consisting of carbonate solvents, ester solvents, ether solvents and ketone solvents, and a lithium salt dissolved in the non-aqueous organic solvent; and 1-10 parts by weight of pentafluorobenzene represented by the following formula 1 based on 100 parts by weight of the non-aqueous organic solvent.
Abstract translation: 提供了一种用于锂二次电池的非水电解质，以提高锂二次电池的寿命特性和高温储存特性。 一种用于锂二次电池的非水电解质包括：包含选自碳酸酯溶剂，酯溶剂，醚溶剂和酮溶剂中的至少一种溶剂的非水有机溶剂和溶解在非水电解质中的锂盐， 水性有机溶剂; 和1-10重量份由下式1表示的五氟苯，基于100重量份的非水有机溶剂。
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